Home / 39,955.48-55,135.35-22,048.07

Finding the Fourth Proportional to 39,955.48, 55,135.35 and 22,048.07

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Solution

The fourth proportional to 39,955.48, 55,135.35 and 22,048.07 is: 30,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.48 : 55,135.35 = 22,048.07 : x
  2. Step 2: Convert to fraction form
    39,955.48/55,135.35 = 22,048.07/x
  3. Step 3: Cross multiply
    39,955.48x = 55,135.35 × 22,048.07
  4. Step 4: Simplify right side
    39,955.48x = 1,215,627,780.60
  5. Step 5: Solve for x
    x = 1,215,627,780.60/39,955.48
  6. Step 6: Final answer
    x = 30,424.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.